在20世纪40年代早期，农民们沐浴在以化学品为基础的集约农业的光辉下，贪心地把杀虫剂当作增加作物产量的一种可靠方法。
In the early 1940s, basking in the glory of chemical-based intensive agriculture, the farmers avidly took to pesticides as a sure measure to boost crop yield.
增加作物产量直是植物科学研究中最要的目标之一。
Increasing crop yield is one of the most important goals of plant science research.
科学家通过加入理想性状的相关植物杂交来增加作物产量。
Scientists boosted crop yields by crossbreeding related plants that add desirable traits.
加入无机肥料迅速明显地增加作物产量，这一点很容易证实。
It is easy to demonstrate that the addition of inorganic fertilizers makes rapid and significant improvements in crop yields.
加纳的菠萝种植农正使用掌上电脑和条码技术来促进运输和增加作物产量。
Pineapple farmers in Ghana are using PDAs and bar coding technology to facilitate transport and increase crop yields.
间作由于具有充分利用资源和增加作物产量的特点，在我国西北地区广泛应用。
Intercropping, due to the more effective use of resources and high productivity, is practiced widely in northwestern China.
这两套保护耕作体系有利于减轻水土流失，节省能源，增加作物产量，提高水分利用效率。
The 2 conservation tillage systems showed promise in reducing water and soil erosion, saving energy, increasing corn yield, and improving water use efficiency.
作者的看法，“如果我们要战胜人口过多与气候变化导致的饥饿，我们需要增加作物产量。”
The author comments, "If we are going to make headway in combating hunger due to overpopulation and climate change, we will need to increase crop yields."
试验结果表明，我国华北地区实施保护性耕作有利于节约用水，提高水分利用效率，增加作物产量。
The experimental result shows that application of conservation tillage in North China Plain is benefit to saving water, enhancing water use efficiency and increase crop yield.
利用植物化感作用防治农田杂草，可以减少化学除草剂的使用，减轻环境压力，降低生产成本，达到增加作物产量等目的。
Applying plant allelopathy to inhibit weeds can not only efficiently reduce the use of chemical herbicide and cost, but also protect environment and improve crop product.
要教导不识字的人们了解健康之道、生育间隔的优点、增加作物产量的方法、注重子女的饮食营养乃至于如何谋生，都非常不容易。
It is very difficult to teach illiterate people the paths to good health, the advantages of family spacing, the way to increase crop yields, nutrition for their children, and how to earn a living.
早在使用机械和化肥之前，勤劳和富有创造性的中国农民就已经采用各种各样的方法来增加农作物产量。
Long before the use of machinery and fertilizers, industrious and creative farmers had already used different kinds of methods to increase crop yields.
联合国粮农组织称，除非粮食作物产量明年大幅增加，否则世界应该为“今后更加艰难的时刻”作准备。
The world should prepare for “harder times ahead” according to the UN's Food and Agriculture Organisation unless production of food crops increases significantly next year.
更加暖和的气温实际上能够增加北美以及俄罗斯一部分地区的农作物产量。
Warmer temperatures are actually leading to increased crop yields in some parts of North America and Russia.
即使农作物产量停止增长，在公路、市场和其它方面容易取得改进能够使食物的有效利用大大增加。
Easily achievable improvements in roads, markets and other things can increase the availability of food a lot even if farm yields stop rising.
尽管气候变暖，但世界各地的农作物产量一直在增加——而且29年来的这种增产超过了估计的由于气候变化造成的全球减产。
Yields have been going up around the world despite the warming climate—and over 29 years those increases swamp the estimated global reductions due to climate.
改善塔里木盆地的水资源管理增加了农作物产量，扭转了沙漠化趋势，提高了妇女的社会地位并增加了妇女的就业机会。
Better management of water resources increased crop yields, reversed desertification, and improved social status and employment opportunities for women.
科学家希望开发出的新品种能使农作物产量增加百分之三十。
The scientists hope that the resulting crop will increase yield by 30 percent, according to Oikeh.
联合国粮农组织称，除非粮食作物产量明年大幅增加，否则世界应该为“今后更加艰难的时刻”作准备。
The world should prepare for "harder times ahead" according to the UN's food and Agriculture Organisation unless production of food crops increases significantly next year.
结果表明，施钾不仅增加产品产量，对改善作物产品品质也有明显效果。
The results indicated that K application could not only increase crop yield, but also improve the quality of crop products significantly.
农业生物学；土壤生物学关于植物养分和与土壤条件相关的生长的研究，尤其是对判定如何增加农作物产量方法的研究。
The study of plant nutrition and growth as related to soil condition, especially to determine ways to increase crop yield .
可有效补充作物硼元素，增加作物抗逆性能，显著提高作物产量与品质。
Can effectively complement crop boron element, increase crop resistance to significantly increase crop yield and quality.
采用保持耕作措施，尤其免耕和深松，对于增加土壤蓄水、减少蒸发损失、提高水分有效性、节省能耗以及改善作物产量显示出最佳的效果。
No-till and subsoiling have shown promise in increasing water storage, reducing water loss, enhancing water availability, and saving energy, as well as increasing wheat yield.
采用保持耕作措施，尤其免耕和深松，对于增加土壤蓄水、减少蒸发损失、提高水分有效性、节省能耗以及改善作物产量显示出最佳的效果。
No-till and subsoiling have shown promise in increasing water storage, reducing water loss, enhancing water availability, and saving energy, as well as increasing wheat yield.
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